Erik Kusch
,
PhD Student
Department
of Biology
Section for Ec
oinformatics &
Biodiversity
Center for
Biodiversi
ty Dy
namics
in a Changing World (BIOCHANGE)
Aarhus University
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
1
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
2
For
k
categories, w
e
need
k-1
indicator variab
les!
The Problem:
picking priors for each
indicator variab
les!
29/01/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
3
For
k
categories, w
e
only need one index
variable
!
Let
’
s us assign the same prio
r to each
category
!
29
/
04
/2021
11
/
12
/2020
For
k
categories, w
e
only
need one
index
variable!
Let
’
s us assign the same prior to each
category
!
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
5
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
6
“
X is independent
of
Y
conditional
of Z
”
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
7
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
8
29/01/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
9
Conditio
ning
on a node
,
blocks nodes on the same pa
th further aw
ay
from the
outcome!
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
10
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
11
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
12
29/01/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
13
29/01/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
14
Causation
follow
s
the directionality
of the arrow
s.
Information/Correlation
can flow
in any
direction.
29
/
01
/2021
[Study
Group] Bay
esian Statistics
w
ith the Rethinking
Material
15